8398120379 has 12 divisors (see below), whose sum is σ = 9466666200. Its totient is φ = 7388366400.

The previous prime is 8398120351. The next prime is 8398120439. The reversal of 8398120379 is 9730218938.

It is a happy number.

It is not a de Polignac number, because 8398120379 - 2⁸ = 8398120123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8398120319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386654 + ... + 407795.

It is an arithmetic number, because the mean of its divisors is an integer number (788888850).

Almost surely, 2^8398120379 is an apocalyptic number.

8398120379 is a deficient number, since it is larger than the sum of its proper divisors (1068545821).

8398120379 is a wasteful number, since it uses less digits than its factorization.

8398120379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794522 (or 794491 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 8398120379 is about 91641.2591521963. The cubic root of 8398120379 is about 2032.6410801019.

It can be divided in two parts, 839 and 8120379, that added together give a palindrome (8121218).

The spelling of 8398120379 in words is "eight billion, three hundred ninety-eight million, one hundred twenty thousand, three hundred seventy-nine".